[INFO] crate rusty-money 0.3.4 is already in cache
[INFO] checking rusty-money-0.3.4 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate rusty-money 0.3.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rusty-money 0.3.4 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-money 0.3.4
[INFO] finished tweaking crates.io crate rusty-money 0.3.4
[INFO] tweaked toml for crates.io crate rusty-money 0.3.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e421d795a958e31c42827a390ea057d3b11c38b6c9ce47dc4a06c5a74502079
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e421d795a958e31c42827a390ea057d3b11c38b6c9ce47dc4a06c5a74502079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e421d795a958e31c42827a390ea057d3b11c38b6c9ce47dc4a06c5a74502079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e421d795a958e31c42827a390ea057d3b11c38b6c9ce47dc4a06c5a74502079", kill_on_drop: false }`
[INFO] [stdout] 3e421d795a958e31c42827a390ea057d3b11c38b6c9ce47dc4a06c5a74502079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 752edf6e9a6d51efda024c9f10d433f1ad8330f442a8a9339e2ff7a9583cda56
[INFO] running `Command { std: "docker" "start" "-a" "752edf6e9a6d51efda024c9f10d433f1ad8330f442a8a9339e2ff7a9583cda56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rust_decimal v1.7.0
[INFO] [stderr]    Compiling rust_decimal_macro_impls v1.7.0
[INFO] [stderr]     Checking rust_decimal_macros v1.7.0
[INFO] [stderr]     Checking rusty-money v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/money.rs:492:9
[INFO] [stdout]     |
[INFO] [stdout] 492 |         money!(1, "USD") + money!(1, "GBP");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/money.rs:499:9
[INFO] [stdout]     |
[INFO] [stdout] 499 |         money!(1, "USD") - money!(1, "GBP");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.52s
[INFO] running `Command { std: "docker" "inspect" "752edf6e9a6d51efda024c9f10d433f1ad8330f442a8a9339e2ff7a9583cda56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752edf6e9a6d51efda024c9f10d433f1ad8330f442a8a9339e2ff7a9583cda56", kill_on_drop: false }`
[INFO] [stdout] 752edf6e9a6d51efda024c9f10d433f1ad8330f442a8a9339e2ff7a9583cda56